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DC Power Supply Precautions
The following precautions must be observed when installing this chassis.
1.
Check nameplate ratings to ensure there is no overloading of supply circuits that
could effect over current protection and supply wiring.
2.
In addition, the following must be observed:
a.
Connect the equipment to a 35 to 75 VDC power source that is electrically
isolated from the alternating current source.
b.
Route input wiring to terminal block and secure in such a manner that it is
protected from damage and stress. Do not route wiring past sharp edges or
moving parts.
c.
Incorporate a readily accessible disconnect device with a 3mm minimum
contact gap in the fixed wiring.
d.
Install only in Restricted Access Areas (dedicated Equipment Rooms,
Equipment closets or the like) in accordance with Articles 110-18, 110-26,
and 110-27 of the National Electric Code, ANSI/NFPA 70.
e.
Provide a listed circuit breaker suitable for branch circuit protection of the
wiring and rated maximum 1A @ 48 VDC.
f.
For supply connections, use wires suitable for at least 75 ° C.
5
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